# An object with a mass of #4 kg# is hanging from an axle with a radius of #8 cm#. If the wheel attached to the axle has a radius of #24 cm#, how much work would it take to turn the wheel #2 cm#?

##### 1 Answer

Apr 23, 2016

As shown in the figure

The radius of the Wheel

The radius of the Axle

The mass of the object

The Weightof the object

**P** is the applied force.

The Displacement of Applied force(P)

**The working principle of wheel -axle** system may be compared with the working principle of **First Kind of lever**

So

Hence the Work done